Mathematics (AS & A Level) · Feb / March 2019 · Paper 72 · Question 7
9709
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x fx 0 1 40 A random variable X has probability density function given by fx = T ï2 cos x 0 ≤x ≤1 40, 0 otherwise, as shown in the diagram. 1
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7(i)[2]
7(ii)[4]
7(iii)[4]
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